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Finding the Fourth Proportional to 17,581,312.40, 26,368,469.40 and 8,483,392.40

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Solution

The fourth proportional to 17,581,312.40, 26,368,469.40 and 8,483,392.40 is: 12,723,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,581,312.40 : 26,368,469.40 = 8,483,392.40 : x
  2. Step 2: Convert to fraction form
    17,581,312.40/26,368,469.40 = 8,483,392.40/x
  3. Step 3: Cross multiply
    17,581,312.40x = 26,368,469.40 × 8,483,392.40
  4. Step 4: Simplify right side
    17,581,312.40x = 223,694,072,907,592.56
  5. Step 5: Solve for x
    x = 223,694,072,907,592.56/17,581,312.40
  6. Step 6: Final answer
    x = 12,723,400.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.